About Emission Training Services (ETS)
ETS develops automotive training material covering exhaust emissions, combustion engine technology and fuels. It also offers lectures, training courses and technical consultancy services.
Gerrit Kadijk (1963) is an automotive emission engineer and owner of ETS. Since 1988 he has been working as a researcher in the field of combustion engines, fuels and exhaust gas after-treatment systems. From 2012 to 2020 he was responsible for the development of the particulate filter check. In 2021 he published the book 'Roet in beeld' (Dutch) and in 2022 'Particles Matter'.
This website contains information about the PTI-PN test (or particulate filter check).
All rights are reserved by the copyright owner, Emission Training Services (ETS).
Emission Training Services (ETS)
2625 GM Delft
CoC The Hague 805 48 970